IR converted PEN or GF?

Anybody done that? There are now some cheap old PEN's around, and I'm thinking about buying one and convert it into ir-camera.

If you have some experience on that, give some hints:

1. How does the sensor work after conversion - sensitivity, usable ISOs etc

2. How does the focusing work - is AF still useable, or MF only.

3. How about framing; LV useable?

The other way would be to buy a used FT-body and convert it... I know there have been some great results that way.

Thank You!

Jouko
'The best camera in the world is the one you have with you when you need it'
http://lehtokukka.smugmug.com/
http://jouko-lehto.artistwebsites.com/